Raw data for "Irradiation of methanol ice on a sulfur-rich dust analogue at 25 K: A mid-infrared spectroscopic study"

Raw spectra (.spa format) acquired during the irradiation of methanol ice on top of elemental sulfur by 1 MeV He+ ions at 25 K. A summary logbook is also included. The final manuscript is published in Physical Chemistry Chemical Physics (PCCP).